remote keyless entry on 2007 Nissan Sentra

What do I have to do to get remote keyless entry installed on my Nissan I have power door locks do i just have to buy the remotes and have them programed or do i have to purchase the kit and have it installed.What should the cost be if I had the kit and had someone else do the install

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1 answer
I am sure there are after market companies that can help. Fist I would call the dealer as dealer option would be the best route. If they can't help call the Crunchfield 1-800 number and see if they have an aftermarket kit for your car.
http://www.crutchfield.com/